Fig. 9: Landslide volumetric distributions.
From: Submarine landslide megablocks show half of Anak Krakatau island failed on December 22nd, 2018

A Difference map between 1990 bathymetry and new 2019 bathymetry over the landslide area; B Isolated difference maps of the four numbered landslide block trains (combined block trains 3 and 4); C Interpolated depth of erosion beneath the landslide block area based upon new 2019 seismic reflection profiles; and D Interpolated thickness of the buried debris flow beyond the proximal landslide blocks based upon new 2019 seismic reflection profiles.